import java.util.Scanner;
public class Example3_4{
    public static void main(String[] args) {
        int number=0;
        System.out.println("输入正整数（回车确定）");
        Scanner reader = new  Scanner(System.in);
        number = reader.nextInt();
        switch (number){
            case 9 :
            case 131 :
            case 12: System.out.println(number+"是三等奖");
                    break;
            case 209:
            case 596:
            case 27:System.out.println(number+"是二等奖");
                break;
            case 875:
            case 316:
            case 59:System.out.println(number+"是一等奖");
                break;
                default:System.out.println(number+"未中奖");
        }
    }
}